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These undecorated General Railway Signal Company (GRS) switch machine detail parts are available N, HO, S, and O Scales and are available in multiple GRS variants, these are perfect for enhancing any trackside scene and these are exclusively offered by Northwestern Scale Models in partnership with 3D Central. This listing is the GRS 5A Switch Machine in S Scale. Package contains 2 switch machines and 2 conduit boxes for each.
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🇺🇸 Ship from USA · On Agora since 2026
$6.95